C111123313331323113313331313331333132313311211113313231333131311321111   >>    C11112331333132311331333131333133313231331121111331323133313131132111   <<    C111123313331323113313331313331333132313311211113313231333131311321113   >>      C111123313331323113313331313331333132313311211113313231333131311321112   >>